PromptRails
02 / SOLUTIONS · PRODUCT TEAMS

Iterate on prompts,
no deploy.

Promote, A/B, and roll back from the dashboard. Evals + scores live in the same loop — no PR, no engineer, no waiting.

Start free →Talk to an engineer

What you get.

Visual prompt editor

Compose, edit, and preview prompt templates side-by-side without leaving the browser.

  • +Live preview with sample inputs
  • +Template variables surfaced in UI
  • +Diff between versions inline

A/B prompt versions

Promote a candidate to a percentage of traffic. Compare quality scores and cost in one chart.

  • +Traffic-split between versions
  • +Quality scoring per variant
  • +One-click rollback

Central prompt library

A canonical home for every prompt your team ships. Tag, search, and discover by use case.

  • +Tagging and full-text search
  • +Reusable across agents
  • +Owner + last-edited audit

Agent UI deployments

Ship interactive dashboards on top of your agents. Pin-protectable, no frontend code.

  • +Multi-page UIs in minutes
  • +Pin protection per deployment
  • +Backed by your live agents

Ship a traced agent in 5 min.

Start free →Read the docs